Physics » Page 89

Physics

Stephanie Hughes

Which would fall with a greater acceleration in a vacuum-a leaf or a stone?

Answer Answers (2)

Physics

Declan Williams

A force acts on a 5kg object at rest. How fast will the object accelerate on a frictionless surface?

A.) 4 m/s^2

B.) 15 m/s^2

C.) 25 m/s^2

D.) 100 m/s^2

Answer Answers (1)

Physics

Guest

Four wrestlers step on a scale for a tournament. Wrestler A weighs in at 170 pounds; wrestler B weighs in at 168 pounds; wrestler C weighs in at 171 pounds; and wrestler D weighs in at 169 pounds. Which of these wrestlers experiences the greatest force due to gravity

Answer Answers (1)

Physics

Gerald

What is a change in velocity per time

Answer Answers (2)

Physics

Guest

Recall specific heat of water is 4186 j/kg/C. Find the specific heat of sample.

Water. Sample

Mass 109 192

Internal temperature. 21. 67

Final temperature. 30.1. 30.1

Answer Answers (1)

Physics

Jags

During which period did the first large herbivores and carnivores appear?

Answer Answers (1)

Physics

Makai Durham

What is the reason behind the tail of a comet moving away from the Sun?

A The gravity of Jupiter pulls it away from the Sun.

The nucleus of the comet propels it away from the Sun.

C. The radiation pressure and solar wind propels it away from the Sun.

B.

D.

No valid hypothesis has been made yet.

Answer Answers (1)

Physics

Zander Frazier

Calculate the energy released as heat when 51.60 g Cu 2 O (s) undergo oxidation at constant pressure.

Answer Answers (1)

Physics

Ximena Hardin

During summer vacation, Juan traveled a total distance of 400 miles. His trip took 8 hours.

What was the average speed during his trip?

Answer Answers (2)

Physics

Damien Hatfield

Where Pabs is absolute pressurePg, is gauge pressure, and Patm is atmospheric pressure. For example,

if your tire gauge reads 34 lb/incz (pounds per square inch), then the absolute pressure is ...

Answer Answers (1)

Physics

Katie Henson

The tip of a triangle is held 12.0 cm above the surface of a flat pool of water. A submerged swimmer in the pool sees the tip of the triangle at what distance above the water? Let the indices of refraction nwater = 1.33 and nair = 1.00.

Answer Answers (1)

Physics

Gretchen

What is a lever used for?

Answer Answers (1)

Physics

Trinity Blackwell

What did the romans build as a step toward environment management

Answer Answers (1)

Physics

Emma Adkins

Accelerations are produced by equal forces or unequal forces?

Answer Answers (1)

Physics

Oreo

A wave travels through a medium. As the wave passes, the particles of the medium vibrate in a direction perpendicular to the direction of the wave's motion. The wave is a. longitudinal. c. electromagnetic. b. a pulse. d. transverse.

Answer Answers (1)